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and wall can be arrernsulaled, erlher by usmg rrapped
bubble rnsulallon as saandard plashe sheels, by loseplrrg
arr al pressure belween double plaslle walls, or by
usrng rnsulaled shollers al rughl lo eoyer lhe glazed
areas.
lnarde lhe greenhouse, where lhe whole earlh lloor
mode lhe walls rs msulared horn rhe eold errlh nub
srde, several addnmnal heal masses eao be prowded,
m| eommonly as plaslle or rnelal lanlrs or drums of
waler lsome an be hsh pondsl, bul also by proyrdmg
arlrye heal sourees sueh as domesue ammah, compelsl
heaps, or hol warer slorrges hlled lrom panel or
mghmmmrawr solar heal rolleehors
The areas below planl benrhes, I! used lo house
rabbrls, gurnea plgs, poullrv. or any small domeslle
anlrnals al mghl wrll prourda eonsrderalale wlnler heal,
as wrll long eomposl boxes along lhe poleward wall, or
exlemal lo, bul below. lhe level onhe greenhouse llsell
Dark eurlams wnhln lhe greenhouse also ael as heal
llong Maul obsorbers and radralors
Laslly, manual or Mnomallc venllng nl rhe
greenhouse. lnns ln .reale arr elrrularron ulslde. and a
dose lrareh on nxusslvr humrdlry lrelleved by a heal
erehanger lo rhe eslerror, or by yenrrag hol alrl
camplclcx lhe oeslgn ul er nl greenhouse unlls
Moreooer, sueh deyrees as glazlng oorr an earrh lreneh
m a sunward slope, a narrow slreel belweoo houses or
shops, or lhe snnwald srde ol o massrye slone or brlck
wall also prorrdes a lrnsl-lree and warm planr
enormnnrenl
All culna m greenhouses and houses need lo he
porehes m eouerod areas. pmvlded wrlh lwo Sumsslvr
doors, pmvrmmg heal esenpe as arr loss lo lhe erleoor
A5 gnenhuuso nslruellon rs wI-lnvzly espeasroe,
lhen lhe carp seleellon ln not)» vean should be onenred
lownrds hrgheralue emp such as bell pepper, lomalo.
snow pea. gmgrr. km roll and so on ldepehdlng on
local prelerenees and demands) lr rs mamleslly less
prollrable ro grow loweraloe or bulky erop, bul a
domeslre greenhouse ran prohlably provide a wrde
range ol laorlly lood lanlmal and oegerablel rarher lhan
a eomrnereral marker crop.
12.9
ORCHARDS
cool lernperale humrd orehard speeres rnelude porn.
lrulls lapple, pear, qronee. medlarl, slone lnnrs leherry,
pearh, plum, aprreoll, nols llllberl, walnul, eheslnul,
hlzkmy) and a lew hardy evtrgreens sueh as ullve,
quual, and plneapple guaua (From), mulberry and lrg
may also he grown m mrlder areas
ln seleehng un "v.5 lor loeal orehards, rare should
be lake" wrlh lhe lollowrng lanors
. Adaplallon lo lhe Regron Thls neressrlares a
seareh ul local nursenes, gardens, mwn planlrngs, and
older homesleads lo llsl speeres yleldmg m regron
- esrsmnee lo 52mg Thrs laelor rs ol speerlle
relevanre lo sueh speaes as apples where some older
hardy Vlrwxizs show llhle ellesl or lungal or lnseel
allaelr, so lhal ylelds ol sound h—un rrlay be oblalned
wlrhoul usrng dangerous eheminl bmdes llunglaldes,
lnseslieldesl
- mm The seleellon or well—dramed,
sunlmng slopes in eool areas, or shaded slopes where
lale lrosls are expeeled llo reduee damage by
heeae/lhaw elm).
' WW See
below lordelails
PLANT GUILDS FOR THE pom: AND STONE FRUIT
ORCHARD
The enemy ol deelduous orehards rs grass, rhus
non—grass crop below lree eanopres rs rdeal. A seleenon
or oos ol lhe lollowmg plinl groupsean be made.
- sprang Bulbs lNam'sslrs, hyaernrhl These nower
and dre haes by early summer, as does AHlllm
lrloelrom lomon weedl, and creole a graselree area
below bees or lrull, plus a erop ol bulbs, mowers, and
honey lns and luberous-rpoled nowers also asslsl
grass mmmk,
- figlkg Roola leomlrey, dandellon. globe arrleholrel
one: rlue ground and eneourage worms, yreld muleh
and erop 5orl below lherr lollage rs son. beedrainlng
open lo Nels leedrng near lhe surlaee, eool,
'Mflm Umbdllfrm: and smalHlawurd
planls- lennel, dulouren Anne's laeu, "may, earml, and
parsmp llowers, had so on Taehynrd and ulher
predolory wasps rubber llles, ladybuds. 1ewel beelles,
and polllnalur bus or wasps are alrraeled ro mlerplanls
m orehard, eg Qrarllma. a small nee albaellng many
wasps. plrohnra, and some small speeres a! Moor and
Amen: speeres All ol lhese ean be plaeed m wmdhmks
around onhards, mrerplanled ln rows, or as dumps m
orehard All bong predalary or pollmallng lnseers mlo
erops
ln lhe herb layer. ealnlp, lulnzL dlll lor any
Umbrfllftmt), small vaflehrs ol dalsy (or any
Compullee), Phyla lLrppol nodora, and llowerlng ground
eoyera generally allrael wasps, puflindmr bees and
lnseellvorous buds,
- u men and women gm movers, and Imus
planls ol lagasasle or Amcl'u proylde roar-level
mlrogen Someeonlnrlol rool nemalodes lcmalona), as
do mangolds lby "lumlgalmn" olsolll
ln general, we arm ro mammrse rhe llorrslre or
lloweong eomponearls or orchard lnlerplanl, lo reduee
or even lo ellmmare grasses lo aund a yanely or
pollmalars and predarory lnaeels, lnsecoyunrus blrds
luslng Klllpllu/Il spp. ruehslr spy Erhmm hslunsum,
solnra app). and lo provrde ground myer lor hogs and
rnsee ryorous lolards lsmall ponds or lroughs
lhroughoul orehnrds wrll breed lroga lor leal rnseer
eonnoll. Soll ground eorers sueh as Nasrumum preyenl
son drylng and grve mukh, as does he lnrerplanr and
windhmk lrees, and she herb layer generally
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